Speedrite | 18000i Energizer

Speedrite | 18000i Energizer

  • $ 849.99
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Powers up to 110 ha / 270 acres (110 mi) of fence wire
18 J maximum output energy (24 J stored energy)

  • Cyclic Wave™ technology. Provides a cleaner, more powerful pulse, maximizing the energy that travels down the fence for optimal stock control
  • Low Energy Terminal. Limits energy to below 1.5 J for use around buildings and houses.
  • Remote capable (remote sold separately ST102). Using a Speedrite fence remote (with remote capable Speedrite energizers enables you to switch the energizer on or off from anywhere along the fence line. This makes it easy to manage repairs and maintenance
  • LCD voltage display. Displays output voltage, battery voltage and earth voltage. LCD is backlit for viewing in poor light conditions
  • Indicator lights (voltage and battery). Easy to read light bar display provides an instant measure of the Unigizer output voltage and battery condition for quick fence diagnostics. The LED display shows red when heavily loaded
  • Battery saver. Microprocessor technology automatically adjusts the output energy depending on the battery condition. This feature extends battery life and is particularly efficient when used in solar installations
  • Day/Night sensor. Automatically adjusts pulse speed to contain or exclude animals based on day or night conditions
  • Large terminals. Mounted on the front of the energizer casing for convenience, these large terminals are easily adjusted and accept up to two fence wires. The slotted terminals make inserting wires and getting a good connection easy
  • Earth monitoring. Indicates earth system problems by monitoring the level of voltage around the earth system
  • Versatile mounting options. Can be mounted on a wall, post or fence wire. Choose indoor or outdoor installation, depending on your fence location and power supply
  • Versatile power options. Can be used in mains, battery or solar power applications, providing convenient, versatile livestock control
  • Adjustable output power and pulse speeds.



Distance powers: 110 miles
Distance powers: 270 acres
Input Voltage: 12 V / 100 - 240 V
Maximum stored energy: 24.0 J
Maximum output energy: 18.0 J
Output Voltage @ 100 Ω: 5,200 V
Output Voltage @ 500 Ω: 7,800 V
Weight: 16.5 lbs
Volume: 13" x 10.2" x 4.25"

2 year warranty

Performance Characteristics

  • Miles Single-Wire Fence: 110 mi
  • Approx. Acreage: 270 acres
  • Stored Energy: 24 joules
  • Output Energy: 18 joules
  • Voltage Rating: 7 kV

  • Product Information

    • Brand: Speedrite
    • Type: Energizers
    • Product #: 821014
    • Color: red
    • Warranty: 2

    Advantages of Electric Horse Fencing:

    • Affordable: Electric fence is 50% less expensive to build and maintain than barbed wire.
    • Easily constructed
    • Low maintenance
    • Lightweight and portable
    • Durable: due to low physical contact
    • Easily modified or expanded
    • Keeps animals in and predators out


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